| Mathbox for Glauco Siliprandi |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > limsupequzmptf | Structured version Visualization version GIF version | ||
| Description: Two functions that are eventually equal to one another have the same superior limit. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
| Ref | Expression |
|---|---|
| limsupequzmptf.j | ⊢ Ⅎ𝑗𝜑 |
| limsupequzmptf.o | ⊢ Ⅎ𝑗𝐴 |
| limsupequzmptf.p | ⊢ Ⅎ𝑗𝐵 |
| limsupequzmptf.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| limsupequzmptf.n | ⊢ (𝜑 → 𝑁 ∈ ℤ) |
| limsupequzmptf.a | ⊢ 𝐴 = (ℤ≥‘𝑀) |
| limsupequzmptf.b | ⊢ 𝐵 = (ℤ≥‘𝑁) |
| limsupequzmptf.c | ⊢ ((𝜑 ∧ 𝑗 ∈ 𝐴) → 𝐶 ∈ 𝑉) |
| limsupequzmptf.d | ⊢ ((𝜑 ∧ 𝑗 ∈ 𝐵) → 𝐶 ∈ 𝑊) |
| Ref | Expression |
|---|---|
| limsupequzmptf | ⊢ (𝜑 → (lim sup‘(𝑗 ∈ 𝐴 ↦ 𝐶)) = (lim sup‘(𝑗 ∈ 𝐵 ↦ 𝐶))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfv 1947 | . . 3 ⊢ Ⅎ𝑘𝜑 | |
| 2 | limsupequzmptf.m | . . 3 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 3 | limsupequzmptf.n | . . 3 ⊢ (𝜑 → 𝑁 ∈ ℤ) | |
| 4 | limsupequzmptf.a | . . 3 ⊢ 𝐴 = (ℤ≥‘𝑀) | |
| 5 | limsupequzmptf.b | . . 3 ⊢ 𝐵 = (ℤ≥‘𝑁) | |
| 6 | limsupequzmptf.j | . . . . . 6 ⊢ Ⅎ𝑗𝜑 | |
| 7 | limsupequzmptf.o | . . . . . . 7 ⊢ Ⅎ𝑗𝐴 | |
| 8 | 7 | nfcri 2914 | . . . . . 6 ⊢ Ⅎ𝑗 𝑘 ∈ 𝐴 |
| 9 | 6, 8 | nfan 1932 | . . . . 5 ⊢ Ⅎ𝑗(𝜑 ∧ 𝑘 ∈ 𝐴) |
| 10 | nfcsb1v 3871 | . . . . . 6 ⊢ Ⅎ𝑗⦋𝑘 / 𝑗⦌𝐶 | |
| 11 | nfcv 2922 | . . . . . 6 ⊢ Ⅎ𝑗𝑉 | |
| 12 | 10, 11 | nfel 2936 | . . . . 5 ⊢ Ⅎ𝑗⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑉 |
| 13 | 9, 12 | nfim 1929 | . . . 4 ⊢ Ⅎ𝑗((𝜑 ∧ 𝑘 ∈ 𝐴) → ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑉) |
| 14 | eleq1w 2843 | . . . . . 6 ⊢ (𝑗 = 𝑘 → (𝑗 ∈ 𝐴 ↔ 𝑘 ∈ 𝐴)) | |
| 15 | 14 | anbi2d 642 | . . . . 5 ⊢ (𝑗 = 𝑘 → ((𝜑 ∧ 𝑗 ∈ 𝐴) ↔ (𝜑 ∧ 𝑘 ∈ 𝐴))) |
| 16 | csbeq1a 3861 | . . . . . 6 ⊢ (𝑗 = 𝑘 → 𝐶 = ⦋𝑘 / 𝑗⦌𝐶) | |
| 17 | 16 | eleq1d 2845 | . . . . 5 ⊢ (𝑗 = 𝑘 → (𝐶 ∈ 𝑉 ↔ ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑉)) |
| 18 | 15, 17 | imbi12d 347 | . . . 4 ⊢ (𝑗 = 𝑘 → (((𝜑 ∧ 𝑗 ∈ 𝐴) → 𝐶 ∈ 𝑉) ↔ ((𝜑 ∧ 𝑘 ∈ 𝐴) → ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑉))) |
| 19 | limsupequzmptf.c | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝐴) → 𝐶 ∈ 𝑉) | |
| 20 | 13, 18, 19 | chvarfv 2276 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑉) |
| 21 | limsupequzmptf.p | . . . . . . 7 ⊢ Ⅎ𝑗𝐵 | |
| 22 | 21 | nfcri 2914 | . . . . . 6 ⊢ Ⅎ𝑗 𝑘 ∈ 𝐵 |
| 23 | 6, 22 | nfan 1932 | . . . . 5 ⊢ Ⅎ𝑗(𝜑 ∧ 𝑘 ∈ 𝐵) |
| 24 | nfcv 2922 | . . . . . 6 ⊢ Ⅎ𝑗𝑊 | |
| 25 | 10, 24 | nfel 2936 | . . . . 5 ⊢ Ⅎ𝑗⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑊 |
| 26 | 23, 25 | nfim 1929 | . . . 4 ⊢ Ⅎ𝑗((𝜑 ∧ 𝑘 ∈ 𝐵) → ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑊) |
| 27 | eleq1w 2843 | . . . . . 6 ⊢ (𝑗 = 𝑘 → (𝑗 ∈ 𝐵 ↔ 𝑘 ∈ 𝐵)) | |
| 28 | 27 | anbi2d 642 | . . . . 5 ⊢ (𝑗 = 𝑘 → ((𝜑 ∧ 𝑗 ∈ 𝐵) ↔ (𝜑 ∧ 𝑘 ∈ 𝐵))) |
| 29 | 16 | eleq1d 2845 | . . . . 5 ⊢ (𝑗 = 𝑘 → (𝐶 ∈ 𝑊 ↔ ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑊)) |
| 30 | 28, 29 | imbi12d 347 | . . . 4 ⊢ (𝑗 = 𝑘 → (((𝜑 ∧ 𝑗 ∈ 𝐵) → 𝐶 ∈ 𝑊) ↔ ((𝜑 ∧ 𝑘 ∈ 𝐵) → ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑊))) |
| 31 | limsupequzmptf.d | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝐵) → 𝐶 ∈ 𝑊) | |
| 32 | 26, 30, 31 | chvarfv 2276 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐵) → ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑊) |
| 33 | 1, 2, 3, 4, 5, 20, 32 | limsupequzmpt 46560 | . 2 ⊢ (𝜑 → (lim sup‘(𝑘 ∈ 𝐴 ↦ ⦋𝑘 / 𝑗⦌𝐶)) = (lim sup‘(𝑘 ∈ 𝐵 ↦ ⦋𝑘 / 𝑗⦌𝐶))) |
| 34 | nfcv 2922 | . . . . 5 ⊢ Ⅎ𝑘𝐴 | |
| 35 | nfcv 2922 | . . . . 5 ⊢ Ⅎ𝑘𝐶 | |
| 36 | 7, 34, 35, 10, 16 | cbvmptf 5205 | . . . 4 ⊢ (𝑗 ∈ 𝐴 ↦ 𝐶) = (𝑘 ∈ 𝐴 ↦ ⦋𝑘 / 𝑗⦌𝐶) |
| 37 | 36 | fveq2i 6882 | . . 3 ⊢ (lim sup‘(𝑗 ∈ 𝐴 ↦ 𝐶)) = (lim sup‘(𝑘 ∈ 𝐴 ↦ ⦋𝑘 / 𝑗⦌𝐶)) |
| 38 | 37 | a1i 11 | . 2 ⊢ (𝜑 → (lim sup‘(𝑗 ∈ 𝐴 ↦ 𝐶)) = (lim sup‘(𝑘 ∈ 𝐴 ↦ ⦋𝑘 / 𝑗⦌𝐶))) |
| 39 | nfcv 2922 | . . . . 5 ⊢ Ⅎ𝑘𝐵 | |
| 40 | 21, 39, 35, 10, 16 | cbvmptf 5205 | . . . 4 ⊢ (𝑗 ∈ 𝐵 ↦ 𝐶) = (𝑘 ∈ 𝐵 ↦ ⦋𝑘 / 𝑗⦌𝐶) |
| 41 | 40 | fveq2i 6882 | . . 3 ⊢ (lim sup‘(𝑗 ∈ 𝐵 ↦ 𝐶)) = (lim sup‘(𝑘 ∈ 𝐵 ↦ ⦋𝑘 / 𝑗⦌𝐶)) |
| 42 | 41 | a1i 11 | . 2 ⊢ (𝜑 → (lim sup‘(𝑗 ∈ 𝐵 ↦ 𝐶)) = (lim sup‘(𝑘 ∈ 𝐵 ↦ ⦋𝑘 / 𝑗⦌𝐶))) |
| 43 | 33, 38, 42 | 3eqtr4d 2805 | 1 ⊢ (𝜑 → (lim sup‘(𝑗 ∈ 𝐴 ↦ 𝐶)) = (lim sup‘(𝑗 ∈ 𝐵 ↦ 𝐶))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 Ⅎwnf 1816 ∈ wcel 2145 Ⅎwnfc 2907 ⦋csb 3847 ↦ cmpt 5186 ‘cfv 6533 ℤcz 12618 ℤ≥cuz 12890 lim supclsp 15560 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 ax-pre-sup 11205 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-1o 8458 df-2o 8459 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-fin 8959 df-sup 9415 df-inf 9416 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-div 11899 df-nn 12261 df-n0 12532 df-z 12619 df-uz 12891 df-q 13001 df-ico 13407 df-limsup 15561 |
| This theorem is used by: (None) |
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